deadly‚they are spectacular reminders of the dynamic forces that shape our planet. Volcano - a fissure or vent through which molten rock material‚ or magma‚ and gases from the interior of the Earth erupt on to its surface‚ and the landform which is produced as a result of this eruption. The word "volcano" comes from Vulcano‚ one of the volcanic Lipari Islands in the Mediterranean Sea‚ and the place where‚ according to Roman mythology‚ Vulcan
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Explanation Writing- Volcanoes Cinder cone Cinder cone is a cone shaped volcano A cinder cone or scoria cone is a steep conical hill of loose pyroclastic fragments Cinder cones are the simplest type of volcano They are built from particles and blobs of congealed lava ejected from a single vent. Cinder cones tend to be small‚ like hill-sized volcanoes When lava that is in cinder cone is highly charged with gas bubbles erupts from a vent under pressure‚ it tends to shoot straight up into the air
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something like the volcano that is thought to have killed all but 15‚000 members of the human population 74‚000 years ago is underneath the U.S. as I speak? “Lucky for all of us humans‚” we may have to face another volcano like this soon‚ since there is a historically destructive one in Yellowstone National Park. The volcano that possibly killed a majority of the human species and the volcano that currently resides in Yellowstone are both a special kind of volcano called a super volcano‚ which you will
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Introduction There are over 20 active volcanos left in the world today. Have you ever wondered or learned about what causes a volcano? Volcanic eruptions can be a huge deal for the environment and the people around it. What causes do volcanos have on the environment and what cause does it have on the people? Well the truth is‚ the causes of active volcanos there are today‚ do have effects on its surroundings. What is a volcano‚ and what causes it to erupt? Volcanoes occur at weak points in the
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the volcano sits far below the ocean’s surface‚ even a major eruption may not be detected from above. Nonetheless‚ care must be taken when exploring areas surrounding a submarine volcano. Since 1650‚ when the Kolumbo submarine volcano erupted‚ killing at least 70 people on the nearby Greek island of Santorini‚ submerged volcanoes have been known to be deadly. Submarine volcanoes‚ as the name suggests‚ are volcanoes that sit under water on the ocean floor. The biggest underwater volcano is
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some volcanoes more hazardous than others? There are several reasons that influence volcanic hazards‚ these include the viscosity of the magma‚ proximity to population centres‚ materials that are ejected from the volcano‚ the magnitude of the eruption and the plate margin that the volcano rests upon. The viscosity of the magma depends on 3 things‚ the temperature‚ dissolved gasses and the chemistry involved in the magma. These factors produce 2 main types of magma called acid and basic. The acid
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forecast calamities. Human can realize different identities of different natural disaster easily within today’s science and technology. People can distinguish these calamities to excogitate different methods to prevent natural disaster like tsunami and volcano eruption. By using those methods‚ people can keep away from disaster safely. Here are two specific scientific and technological can be forecasted achievable are going to discuss hereinafter. What I’m
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meters‚ it is Europe ’s highest active volcano. The height of its summit changes with each eruption‚ and over the centuries a few lava flows have reached the coast. Over 1200 square meters of Etna ’s surface is covered with solidified lava. Etna offers skiing in the Winter months and breathtaking hikes in the woods during the Summer. There are also a number of smaller peaks on the slopes of Etna‚ and some interesting caverns. Since Etna is a strato volcano‚ with relatively cool lava temperatures
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or environment‚ a volcano can compromise all these things through the many hazards volcanoes presents. Such as lahars‚ flash flooding‚ landslides‚ pyroclastic flows‚ ash clouds and many others. There are factors which can influence the severity of the hazard and cause differences in them and can be classified into different categories‚ such as physical‚ economic‚ political and social. One physical factor which causes differences in a volcanic hazard is the steepness of the volcano. If the volcanoes
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Sadia khan Per 4 3/12/12 Volcano internet assignment 1. Three types of volcanoes are the shield volcano‚ Strato Volcano’s and cinder cones .The Shield volcanos are usually built entirely from lava flow they are name for their large size and low profile. The Starto’s volcano’s have steep sides with cones that stick out like huge bumps. They are built up when eruptions of viscous lava‚ tephra‚ and pyroclastic flows happen. The Cinder cones is a steep conical hill of tephra that accumulate
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